<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <meta http-equiv="content-type" content="text/html;charset=utf-8">
    <link href="../style.css" rel="stylesheet" type="text/css">
    <link rel="icon" href="../images/PETSc_RGB-logo.png" type="image/png" sizes="16x16">
    <title>PETSc: Misc: Acknowledgements</title>
  </head>
  <body>

    <div id="logo">
      <h1>PETSc</h1>
    </div>

    <div id="header">
      <h1>Acknowledgements</h1>
    </div>

    <hr>

    <div id="sidebar">
      <ul>
        <li><a href="../index.html">Home</a></li>
        <li><a href="../download/index.html">Download</a></li>
        <li><a href="../features/index.html">Features</a></li>
        <li><a href="../documentation/index.html">Documentation</a></li>
        <li><a href="../publications/index.html">Applications/Publications</a></li>
        <li>
          <a href="../miscellaneous/index.html">Miscellaneous</a>
          <ul>
            <li><a href="index.html">PETSc Team</a></li>
            <li><a href="mailing-lists.html">Mailing Lists</a></li>
            <li><span class="current">Acknowledgements</span></li>
            <li><a href="funding.html">Funding</a></li>
            <li><a href="petscthreads.html">Threads and PETSc</a></li>
          </ul>
        </li>
        <li><a href="../miscellaneous/external.html">External Software</a></li>
        <li><a href="https://docs.petsc.org/en/latest/developers/index.html">Developers Site</a></li>
      </ul>
    </div>

    <div id="main">

      <p>
        We thank all PETSc users for their many suggestions, bug reports, and
        encouragement.
      </p>

      <p>
        Recent contributors to PETSc are listed in the  <a href="https://github.com/petsc/petsc/graphs/contributors">repository system</a>
      </p>

      <p>
        Earlier contributors to PETSc that are not captured in the repository system include:
      </p>

      <ul>
        <li>Asbjorn Hoiland Aarrestad, (the explicit Runge-Kutta implementations)</li>
        <li>G. Anciaux and J. Roman, (the interfaces to the partitioning packages PTScotch, Chaco, and Party)</li>
        <li>Allison Baker, (the flexible GMRES and the LGMRES code)</li>
        <li>Chad Carroll, (the Win32 graphics),</li>
        <li>Ethan Coon, (the PetscBag and many bug fixes),</li>
        <li>Cameron Cooper, (portions of the VecScatter routines)</li>
        <li>Paulo Goldfeld, (the balancing Neumann-Neumann preconditioner).</li>
        <li>Matt Hille,</li>
        <li>Joel Malard, (the BICGStab(l) implementation)</li>
        <li>Paul Mullowney, (improvement enhancements to portions of the Nvidia GPU interface)</li>
        <li>Dave May, (Generalized Conjugate Residuals (GCR) implementation)</li>
        <li>Peter Mell, (portions of the DA routines)</li>
        <li>Richard Mills, (the AIJPERM matrix format for the Cray X1; universal F90 array interface; enhancements to IBCGS; the AIJMKL matrix subclass)</li>
        <li>Victor Minden, (the Nvidia GPU interface)</li>
        <li>Todd Munson, (the LUSOL interface as well as the specialized KSPNASH, KSPSTCG, and KSPGLTR Krylov solvers)</li>
        <li>Robert Scheichl, (the MINRES implementation)</li>
        <li>Karen Toonen, (designed and implemented much of the PETSc web pages)</li>
        <li>Desire Nuentsa Wakam, (the deflated GMRES implementation)</li>
        <li>Liyang Xu, (the interface to PVODE, now Sundials/CVODE)</li>
      </ul>

    </div>

    <hr>

  </body>
</html>
